On November 7, 2011 at Convocation, North America's largest weekly gathering of Christian students, Jason Russell, co-founder of the Invisible Children movement and Alex Harris, author of "Do Hard Things" and "Start Here," participated in a panel, moderated by Vice-President of Liberty University and Campus Pastor, Johnnie Moore, about making a difference in the world. Students were able to text questions to the speakers about what motivated them to start their organizations, challenges to the millennial generation in impacting the world for Christ and how they can start making a difference in the world.Invisible Children, uses the power of media to inspire young people to help end the longest running war in Africa. They make documentaries, tour them around the world, and lobby our nation's leaders to make ending this war a priority.Alex and his brother, Brett Harris, founded The Rebelution, a counter-cultural youth movement among Christian young people and is defined as "a teenage rebellion against the low expectations of an ungodly culture."